Welcome to Moniem Tech NTN Knowledge Test Test your NTN Skills! 1. In NTN, what does “feeder link” refer to? UE to satellite link Satellite to gateway link UE to gNB link Inter-satellite link None 2. In NTN, what does GEO stand for? Global Earth Orbit Geostationary Earth Orbit General Earth Organization Ground Earth Observation None 3. Which 3GPP release first introduced NTN support? Release 15 Release 16 Release 17 Release 18 None 4. Which of the following is an example of a non-terrestrial platform? Fiber cable LEO satellite Microwave tower Small cell None 5. Which use case benefits most from NB-IoT over NTN? Video streaming on smartphones Cloud gaming Smart agriculture monitoring 8K video broadcast None 6. Which battery-saving technique is critical for NTN IoT devices? Carrier aggregation Network slicing Beamforming Power Saving Mode (PSM) and eDRX None 7. What is the approximate round-trip delay for GEO satellites? 10 ms 50 ms 250 ms 600 ms None 8. For NTN direct-to-device services, which band is currently being prioritized by satellite operators? M-band S-band E-Band None 9. What is the typical frequency range of the S-band? 2 – 4 GHz 5 – 7 GHz 7 – 9 GHz 10 – 20 GHz None 10. Which of the following is a direct NTN use case? Indoor Wi-Fi extension Fiber backhaul in cities Local microwave links Direct-to-device satellite connection None 11. What is one of the main business challenges for NTN services? Spectrum availability in low bands High CAPEX for satellite launches Lack of fiber penetration Too much urban demand None 12. Who defines NTN standards for 5G? ITU 3GPP GSMA IEEE None 13. Which of the following is a regulatory challenge for NTN? Global frequency harmonization Fiber trenching permits Local Wi-Fi licensing Private 5G licensing only None 14. Why is timing advance important in NTN? To reduce Doppler shift To increase antenna gain To align uplink timing with satellite distance To decrease UE transmit power None 15. What does NTN stand for in 5G context? New Terrestrial Network Non-Terrestrial Networks National Telecom Node Next Telecom Normal None 16. Which type of satellite has the lowest latency? GEO LEO MEO HAPS None 17. Which technology trend will support NTN business growth in 6G? Submarine fiber AI-powered satellite beam management DSL upgrades Copper wire optimization None Time's up
